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CVE-2023-46862 is a NULL pointer dereference in the Linux kernel io_uring fdinfo reporting path. In Linux kernels through 6.5.9, a race between SQ thread exit and io_uring_show_fdinfo() can cause the function to dereference a NULL pointer while exposing io_uring file-descriptor information.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel io_uring NULL pointer dereference vulnerability.
Linux kernel io_uring NULL-pointer dereference vulnerability.
Linux kernel io_uring file-descriptor-info NULL-pointer dereference vulnerability.
Linux kernel io_uring file-descriptor information NULL-pointer dereference.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.